About the Authors

Danilo Di Maio

Affiliation Scuola Normale Superiore, Piazza dei Cavalieri 7, I-56126, Pisa, Italy

Balasubramanian Chandramouli

Affiliation Scuola Normale Superiore, Piazza dei Cavalieri 7, I-56126, Pisa, Italy

Giuseppe Brancato

giuseppe.brancato@sns.it

Affiliation Scuola Normale Superiore, Piazza dei Cavalieri 7, I-56126, Pisa, Italy

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DD GB. Performed the experiments: DD. Analyzed the data: DD BC. Wrote the paper: DD GB.